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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-fsdevel@vger.kernel.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	linux-mm@kvack.org, linux-block@vger.kernel.org,
	"Darrick J . Wong" <djwong@kernel.org>
Subject: [PATCH v15 05/17] iomap: Convert iomap_page_release to take a folio
Date: Mon, 19 Jul 2021 19:39:49 +0100	[thread overview]
Message-ID: <20210719184001.1750630-6-willy@infradead.org> (raw)
In-Reply-To: <20210719184001.1750630-1-willy@infradead.org>

iomap_page_release() was also assuming that it was being passed a
head page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/iomap/buffered-io.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index ec8bdc0c63df..83eb5fdcbe05 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -59,18 +59,18 @@ iomap_page_create(struct inode *inode, struct folio *folio)
 	return iop;
 }
 
-static void
-iomap_page_release(struct page *page)
+static void iomap_page_release(struct folio *folio)
 {
-	struct iomap_page *iop = detach_page_private(page);
-	unsigned int nr_blocks = i_blocks_per_page(page->mapping->host, page);
+	struct iomap_page *iop = folio_detach_private(folio);
+	unsigned int nr_blocks = i_blocks_per_folio(folio->mapping->host,
+							folio);
 
 	if (!iop)
 		return;
 	WARN_ON_ONCE(atomic_read(&iop->read_bytes_pending));
 	WARN_ON_ONCE(atomic_read(&iop->write_bytes_pending));
 	WARN_ON_ONCE(bitmap_full(iop->uptodate, nr_blocks) !=
-			PageUptodate(page));
+			folio_test_uptodate(folio));
 	kfree(iop);
 }
 
@@ -458,6 +458,8 @@ EXPORT_SYMBOL_GPL(iomap_is_partially_uptodate);
 int
 iomap_releasepage(struct page *page, gfp_t gfp_mask)
 {
+	struct folio *folio = page_folio(page);
+
 	trace_iomap_releasepage(page->mapping->host, page_offset(page),
 			PAGE_SIZE);
 
@@ -468,7 +470,7 @@ iomap_releasepage(struct page *page, gfp_t gfp_mask)
 	 */
 	if (PageDirty(page) || PageWriteback(page))
 		return 0;
-	iomap_page_release(page);
+	iomap_page_release(folio);
 	return 1;
 }
 EXPORT_SYMBOL_GPL(iomap_releasepage);
@@ -476,6 +478,8 @@ EXPORT_SYMBOL_GPL(iomap_releasepage);
 void
 iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
 {
+	struct folio *folio = page_folio(page);
+
 	trace_iomap_invalidatepage(page->mapping->host, offset, len);
 
 	/*
@@ -485,7 +489,7 @@ iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
 	if (offset == 0 && len == PAGE_SIZE) {
 		WARN_ON_ONCE(PageWriteback(page));
 		cancel_dirty_page(page);
-		iomap_page_release(page);
+		iomap_page_release(folio);
 	}
 }
 EXPORT_SYMBOL_GPL(iomap_invalidatepage);
-- 
2.30.2


  parent reply	other threads:[~2021-07-19 22:20 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19 18:39 [PATCH v15 00/17] Folio support in block + iomap layers Matthew Wilcox (Oracle)
2021-07-19 18:39 ` [PATCH v15 01/17] block: Add bio_add_folio() Matthew Wilcox (Oracle)
2021-07-20  1:28   ` Darrick J. Wong
2021-07-20  6:42   ` Christoph Hellwig
2021-07-20 11:16     ` Matthew Wilcox
2021-07-22 16:27     ` Matthew Wilcox
2021-07-30  8:25   ` Ming Lei
2021-07-30 11:30     ` Matthew Wilcox
2021-07-19 18:39 ` [PATCH v15 02/17] block: Add bio_for_each_folio_all() Matthew Wilcox (Oracle)
2021-07-20  1:29   ` Darrick J. Wong
2021-07-20  1:59     ` Matthew Wilcox
2021-07-20  6:48   ` Christoph Hellwig
2021-07-23  2:40     ` Matthew Wilcox
2021-07-20 12:05   ` kernel test robot
2021-07-20 12:05   ` kernel test robot
2021-07-20 12:26   ` kernel test robot
2021-07-19 18:39 ` [PATCH v15 03/17] iomap: Convert to_iomap_page to take a folio Matthew Wilcox (Oracle)
2021-07-20  6:49   ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 04/17] iomap: Convert iomap_page_create " Matthew Wilcox (Oracle)
2021-07-20  6:50   ` Christoph Hellwig
2021-07-19 18:39 ` Matthew Wilcox (Oracle) [this message]
2021-07-20  6:52   ` [PATCH v15 05/17] iomap: Convert iomap_page_release " Christoph Hellwig
2021-07-20 11:29     ` Matthew Wilcox
2021-07-20 11:40       ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 06/17] iomap: Convert iomap_releasepage to use " Matthew Wilcox (Oracle)
2021-07-20  6:54   ` Christoph Hellwig
2021-07-20 23:56   ` Darrick J. Wong
2021-07-19 18:39 ` [PATCH v15 07/17] iomap: Convert iomap_invalidatepage " Matthew Wilcox (Oracle)
2021-07-20  6:55   ` Christoph Hellwig
2021-07-20 23:57   ` Darrick J. Wong
2021-07-19 18:39 ` [PATCH v15 08/17] iomap: Pass the iomap_page into iomap_set_range_uptodate Matthew Wilcox (Oracle)
2021-07-20  6:57   ` Christoph Hellwig
2021-07-20 11:36     ` Matthew Wilcox
2021-07-19 18:39 ` [PATCH v15 09/17] iomap: Use folio offsets instead of page offsets Matthew Wilcox (Oracle)
2021-07-20  6:59   ` Christoph Hellwig
2021-07-20 11:42     ` Matthew Wilcox
2021-07-19 18:39 ` [PATCH v15 10/17] iomap: Convert bio completions to use folios Matthew Wilcox (Oracle)
2021-07-20  7:08   ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 11/17] iomap: Convert readahead and readpage to use a folio Matthew Wilcox (Oracle)
2021-07-20  7:09   ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 12/17] iomap: Convert iomap_page_mkwrite " Matthew Wilcox (Oracle)
2021-07-20  7:13   ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 13/17] iomap: Convert iomap_write_begin and iomap_write_end to folios Matthew Wilcox (Oracle)
2021-07-20  7:15   ` Christoph Hellwig
2021-07-20 23:59   ` Darrick J. Wong
2021-07-19 18:39 ` [PATCH v15 14/17] iomap: Convert iomap_read_inline_data to take a folio Matthew Wilcox (Oracle)
2021-07-20  7:16   ` Christoph Hellwig
2021-07-19 18:39 ` [PATCH v15 15/17] iomap: Convert iomap_write_end_inline " Matthew Wilcox (Oracle)
2021-07-20  7:17   ` Christoph Hellwig
2021-07-19 18:40 ` [PATCH v15 16/17] iomap: Convert iomap_add_to_ioend " Matthew Wilcox (Oracle)
2021-07-20  7:20   ` Christoph Hellwig
2021-07-20 11:45     ` Matthew Wilcox
2021-07-21  0:12   ` Darrick J. Wong
2021-07-21  4:27     ` Christoph Hellwig
2021-07-21  4:31       ` Matthew Wilcox
2021-07-21 15:28         ` Darrick J. Wong
2021-07-19 18:40 ` [PATCH v15 17/17] iomap: Convert iomap_migrate_page to use folios Matthew Wilcox (Oracle)
2021-07-20  7:21   ` Christoph Hellwig
2021-07-20 13:30   ` kernel test robot
2021-07-21  0:02   ` Darrick J. Wong
2021-07-20  8:44 ` [PATCH v15 00/17] Folio support in block + iomap layers Christoph Hellwig
2021-07-20 11:08   ` Matthew Wilcox

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